103032145666 has 4 divisors (see below), whose sum is σ = 154548218502. Its totient is φ = 51516072832.

The previous prime is 103032145637. The next prime is 103032145681. The reversal of 103032145666 is 666541230301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52867345041 + 50164800625 = 229929^2 + 223975^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25758036415 + ... + 25758036418.

Almost surely, 2^103032145666 is an apocalyptic number.

103032145666 is a deficient number, since it is larger than the sum of its proper divisors (51516072836).

103032145666 is an equidigital number, since it uses as much as digits as its factorization.

103032145666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51516072835.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 103032145666 its reverse (666541230301), we get a palindrome (769573375967).

The spelling of 103032145666 in words is "one hundred three billion, thirty-two million, one hundred forty-five thousand, six hundred sixty-six".